GM Genuine Parts GT330 fuel tank filler cap, front view, seals reliably.
GM Genuine Parts GT330 fuel cap, side view, durable OE replacement for GM vehicles.
GM Genuine Parts GT330 fuel tank filler cap, front view, seals reliably.
GM Genuine Parts GT330 fuel cap, side view, durable OE replacement for GM vehicles.

GM Genuine Parts GT330 Fuel Tank Filler Cap (20915842) – OE Replacement

Overview The GM Genuine Parts GT330 fuel tank filler cap is a GM Original Equipment part designed...
Vendor: GM GENUINE PARTS
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GM Genuine Parts GT330 fuel tank filler cap, front view, seals reliably.

GM Genuine Parts GT330 Fuel Tank Filler Cap (20915842) – OE Replacement

£45.18
GM Genuine Parts GT330 fuel tank filler cap, front view, seals reliably.
GM Genuine Parts GT330 fuel cap, side view, durable OE replacement for GM vehicles.

GM Genuine Parts GT330 Fuel Tank Filler Cap (20915842) – OE Replacement

£45.18
Description
Description
x

Overview

The GM Genuine Parts GT330 fuel tank filler cap is a GM Original Equipment part designed to seal the vehicle's fuel filler and protect against dirt and water. It features a durable rubber gasket that creates a liquid tight seal and may include a check valve to balance air pressure as the tank breathes.

As a GM recommended replacement, it mirrors the performance, durability, and service life you expect from GM OE. Built to meet or exceed strict quality requirements, this cap is designed to fit GM vehicles with precision and reliability.

Key benefits

  • Tight seal keeps the fuel filler closed, reducing spills and evaporation
  • Sealed system helps minimize vapor emissions, supporting environmental considerations
  • Prevents fuel loss during refueling and driving, potentially lowering trips to the gas station
  • GM recommended replacement part for your vehicle’s original component
  • High quality, reliable GM OE construction with durability
  • Manufactured to meet or exceed stringent quality standards

Real-world use and compatibility

In busy fueling situations, the cap maintains a secure seal as you twist it on. In dusty or dirty environments, it helps protect the filler neck from contaminants. For daily drivers, it supports consistent fuel system behavior and peace of mind when refueling.

This GM OE replacement is designed to fit GM vehicles that originally used the GT330 cap. Verify your model year and vehicle specification to ensure the correct fit. Installation is typically straightforward and requires no special tools, helping you restore original performance with ease.

Why choose GM OE

  • GM OE quality and durability for long service life
  • Precisely engineered to fit and seal like the original component
  • Designed to minimize leaks and contamination in the filler area

FAQ

Q: What is the GM Genuine Parts GT330 Fuel Tank Filler Cap designed to do?

A: It seals the fuel filler, reduces evaporation, and provides a reliable GM OE replacement.

Q: Is GT330 compatible with all GM models?

A: Designed as a GM-recommended replacement; verify your model year and fuel cap requirements to ensure a precise fit.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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